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5176-27-2

5176-27-2 Structure

5176-27-2 Structure
IdentificationBack Directory
[Name]

N-T-BOC-PYRROLE
[CAS]

5176-27-2
[Synonyms]

e-1-CarboxyL
ate(WX690266)
N-Boc-Pyrrole
1-Boc-pyrrole
N-T-BOC-PYRROLE
N-BOC-1H-PYRROLE
N-T-BOC-PYRROLE-1
N-Boc-pyrrole 98%
N-Boc-pyrrole
N-(t-Butoxycarbonyl)pyrrole
tert-butyl-pyrrole-carboxylate
TERT-BUTYL PYRROL-1-CARBOXYLATE
TERT-BUTYL 1-PYRROLECARBOXYLATE
tert-Butylpyrrole-1-carboxylate
N-tert-Butoxycarbonyl-1H-pyrrol
t-Butyl 1H-pyrrole-1-carboxylate
N-tert-Butoxycarbonyl-1H-pyrrole
N-(tert-butyloxycarbonyl)pyrrole
N-Boc-pyrrole, 97%, for synthesis
tert-butyl-pyrrole-carboxylate,98%
tert-butyl 1H-pyrrole-1-carboxylate
1-pyrrolecarboxylic acid tert-butyl ester
Pyrrole-1-carboxylic Acid tert-Butyl Ester
Tert-Butyl 1H-Pyrrole-1-Carboxylate(WX690266)
N-Boc-pyrrole,tert-Butyl 1-pyrrolecarboxylate
1H-Pyrrole-1-carboxylic acid, 1,1-diMethylethyl ester
[Molecular Formula]

C9H13NO2
[MDL Number]

MFCD00209559
[MOL File]

5176-27-2.mol
[Molecular Weight]

167.21
Chemical PropertiesBack Directory
[Boiling point ]

91-92 °C20 mm Hg(lit.)
[density ]

1 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.4685(lit.)
[Fp ]

167 °F
[storage temp. ]

Sealed in dry,Room Temperature
[solubility ]

Acetonitrile, Dichloromethane, Ethyl Acetate, Methanol, Tetrahydrofuran
[form ]

Solution
[pka]

-6.10±0.70(Predicted)
[color ]

Colorless to yellow
[InChI]

InChI=1S/C9H13NO2/c1-9(2,3)12-8(11)10-6-4-5-7-10/h4-7H,1-3H3
[InChIKey]

IZPYBIJFRFWRPR-UHFFFAOYSA-N
[SMILES]

N1(C(OC(C)(C)C)=O)C=CC=C1
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P264-P271-P280-P302+P352-P305+P351+P338
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26
[WGK Germany ]

3
[HS Code ]

2933998090
[Storage Class]

10 - Combustible liquids
[Hazard Classifications]

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Hazard InformationBack Directory
[Chemical Properties]

Colorless liquid
[Uses]

N-Boc-pyrrole was used in the synthesis of 1-(tert-butoxycarbonyl)-1H-pyrrol-2-ylboronic acid by treating with n-BuLi and subsequent reaction with trimethyl borate.
It may be used as starting material in the synthesis of the following:
  • tropane drivatives
  • N-boc-2-(4-methoxyphenyl)pyrrole
  • N-boc-pyrrol-2-ylboronic acid
[Uses]

Pyrrole-1-carboxylic Acid tert-Butyl Ester is an intermediate in the synthesis of pyrrole derived anti-cancer Agent.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 31, p. 764, 1966 DOI: 10.1021/jo01341a027
[General Description]

N-Boc-pyrrole is an N-protected pyrrole. It undergoes Diels–Alder reaction with enantiomerically pure allene-1,3-dicarboxylates to form endo-adducts with retention in configurations at two newly generated stereogenic centers. It also undergoes cyclopropanation with methyl phenyldiazoacetate to form both monocyclopropane and dicyclopropane. Its Ir-catalyzed C-H borylation followed by cross coupling with 3-chlorothiophene to form biheterocycle has been reported.
[Synthesis]

Pyrrole

109-97-7

Di-tert-butyl dicarbonate

24424-99-5

N-T-BOC-PYRROLE

5176-27-2

General procedure for the synthesis of tert-butyl 1-pyrrolecarboxylate from pyrrole and di-tert-butyl dicarbonate: di-tert-butyl dicarbonate (Boc2O, 9.8 g, 44.7 mmol) and triethylamine (TEA, 6.3 mL, 44.7 mmol) were added sequentially to a solution of pyrrole (3.0 g, 29.8 mmol) in dichloromethane (DCM, 15 mL). The reaction mixture was stirred at room temperature for 2 hours. Upon completion of the reaction, extraction was performed with dichloromethane (2 x 400 mL) and water (400 mL). The organic layers were combined, dried over anhydrous magnesium sulfate (MgSO4) and concentrated under reduced pressure to afford tert-butyl 1-pyrrolecarboxylate (26) as a white solid (7.5 g). Yield: 94%; 1H NMR (300 MHz, CDCl3) δ (ppm): 7.26 (s, 2H), 7.24 (t, J=2.4 Hz, 1H), 6.22 (t, J=2.4 Hz, 1H), 1.60 (d, J=11.7 Hz, 9H); ESI-MS [M+H]+=169.0.

[References]

[1] European Journal of Organic Chemistry, 2005, # 11, p. 2207 - 2212
[2] Angewandte Chemie - International Edition, 2015, vol. 54, # 52, p. 15739 - 15743
[3] Angew. Chem., 2015, vol. 127, # 52, p. 15965 - 15969,5
[4] European Journal of Medicinal Chemistry, 2011, vol. 46, # 4, p. 1153 - 1164
[5] Medicinal Chemistry, 2018, vol. 14, # 5, p. 485 - 494
Spectrum DetailBack Directory
[Spectrum Detail]

N-T-BOC-PYRROLE(5176-27-2)1HNMR
N-T-BOC-PYRROLE(5176-27-2)FT-IR
N-T-BOC-PYRROLE(5176-27-2)IR
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